<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="../day06/common.css">
    <style>
        .main {
            height: 600px;
            background-color: paleturquoise;
            display: flex;
            justify-content: space-between;
        }
        
        .main div {
            height: 60px;
            line-height: 60px;
            font-size: 39px;
        }
        
        .box1 {
            background-color: pink;
            order: 1;
            flex: 1;
        }
        
        .box2 {
            background-color: #333;
            order: 2;
            flex: 2;
        }
        
        .box3 {
            background-color: aqua;
            order: 3;
            flex: 3;
        }
    </style>
</head>

<body>
    <div class="main">
        <div class="box1">123</div>
        <div class="box2">234</div>
        <div class="box3">456</div>
    </div>
</body>

</html>